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// Copyright (c) 2021, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
/// @assertion Test equality of function and methods tearoffs.
/// @description Checks equality of instantiated top level generic functions
/// @author
// SharedOptions=--enable-experiment=constructor-tearoffs
import "../../Utils/expect.dart";
X topLevelFunction1<X>(X x) => x;
X topLevelFunction2<X>(X x) => x;
const cTlf1 = topLevelFunction1<int>;
const cTlf1_2 = topLevelFunction1<int>;
var vTlf1 = topLevelFunction1<int>;
var vTlf1_2 = topLevelFunction1<int>;
const cTlf2 = topLevelFunction2<int>;
var vTlf2 = topLevelFunction2<int>;
main() {
const cTlf1_3 = topLevelFunction1<int>;
const cTlf1_4 = topLevelFunction1<int>;
const cTlf2_2 = topLevelFunction2<int>;
var vTlf1_3 = topLevelFunction1<int>;
var vTlf1_4 = topLevelFunction1<int>;
var vTlf2_2 = topLevelFunction2<int>;
const CheckIdentical(cTlf1, cTlf1_2);
const CheckIdentical(cTlf1_3, cTlf1_4);
const CheckIdentical(cTlf1, cTlf1_4);
Expect.equals(cTlf1, cTlf1_2);
Expect.equals(cTlf1_3, cTlf1_4);
Expect.equals(cTlf1, cTlf1_4);
Expect.equals(vTlf1, vTlf1_2);
Expect.equals(vTlf1_3, vTlf1_4);
Expect.equals(vTlf1, vTlf1_4);
Expect.identical(vTlf1, vTlf1_2);
Expect.identical(vTlf1_3, vTlf1_4);
Expect.identical(vTlf1, vTlf1_4);
Expect.identical(cTlf1, vTlf1);
Expect.identical(cTlf1, vTlf1_3);
Expect.notEquals(cTlf1, cTlf2);
Expect.notEquals(cTlf2, cTlf1_3);
Expect.notEquals(cTlf1, cTlf2_2);
Expect.notEquals(vTlf1, vTlf2);
Expect.notEquals(vTlf2, vTlf1_3);
Expect.notEquals(vTlf1, vTlf2_2);